1 Subjects: “...carbon nanotubes...”

2 Subjects: “...carbon nanotubes...”

3 Subjects: “...Carbon neutral...”

4 Subjects: “...carbonate rock...”

5 “..., aluminum, magnesium, nickel, titanium, and their alloys can act as modifiers with boron, carbon structures...”

6 “..., based on appropriate energy use in all sectors of a country´s development. Carbon neutrality, energy...”